""ET TROJAN APT/FamousSparrow CnC Domain in DNS Lookup (credits.offices-analytics .com)""
SID: 2034016
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2021_09_23, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2021_09_23
Reference:
Protocol: udp
Source Network: $HOME_NET
Source Port: any
Destination Network: any
Destination Port: 53
Flow:
Contents:
-
Value: "|01|" Depth: 1 Offset: 2
-
Value: "|00 01 00 00 00 00 00|"
-
Value: "|07|credits|11|offices-analytics|03|com|00|"
Within: 31
PCRE:
Special Options:
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nocase
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fast_pattern